Tianli Yu, Jiebo Luo, Amit Singhal, Narendra Ahuja
regularized active contour based on dynamic programming
Abstract Pivoted Document Length Normalization (2008)
Amit Singhal, Chris Buckley, Manclar Mitra
Automatic information retrieval systems have to deal with documents of varying lengths in a text collection. Docu-ment length normalization is used to fairly retrieve docu-ments of all lengths. In...
AT&T at TREC-7 SDR Track (2008)
Amit Singhal, John Choi, Donald Hindle, Julia Hirschberg, O Pereira, Steve Whittaker
AT&T participated in the Spoken Document Retrieval (SDR) track of TREC-7. Our speech retrieval system uses modern Information Retrieval (IR) methods in conjunction with in-house automatic speech...
Other Reports on Recent Advances in Networking Back to Raj Jain's Home Page (2008)
Just a few years back, no one would have thought that internet traffic will increase at such a rapid rate that even gigabit capacity routers in the backbone will be insufficient to handle it. Today,...
Abstract Pivoted Document Length Normalization (2008)
Amit Singhal, Chris Buckley, Ar Mitra
Automatic information retrieval systems have to deal with documents of varying lengths in a text collection. Document length normalization is used to fairly retrieve documents of all lengths. In this...
Steven Abney, Michael Collins, Amit Singhal, Answer Extraction In, Sasha Blair-goldensohn, Kathleen R. Mckeown, ...
gov/projects/duc/roadmapping.html.
Bibliography Published Papers by Dragomir R. Radev References (2008)
Dragomir R. Radev, Alfred Aho, Shih-fu Chang, Kathleen Mckeown, Dragomir Radev, James Allan, ...
retrieval and language modeling. SIGIR Forum, 37(1), March
Bibliography Published Papers by Dragomir R. Radev References (2008)
Dragomir R. Radev, Alfred Aho, Shih-fu Chang, Kathleen Mckeown, Dragomir Radev, James Allan, ...
retrieval and language modeling. SIGIR Forum, 37(1), March
Raj D. Iyer, David D. Lewis, Robert E. Schapire, Yoram Singer, Amit Singhal
RankBoost is a recently proposed algorithm for learning ranking functions. It is simple to implement and has strong justifications from computational learning theory. We describe the algorithm and...
Abstract Document Expansion for Speech Retrieval (2007)
Amit Singhal, Fernando Pereira
Advances in automatic speech recognition allow us to search large speech collections using traditional information retrieval methods. The problem of \aboutness " for documents | is a...
AT&T at TREC-7 SDR Track (2007)
Amit Singhal, John Choi, Donald Hindle, Julia Hirschberg, O Pereira, Steve Whittaker
AT&T participated in the Spoken Document Retrieval (SDR) track of TREC-7. Our speech retrieval system uses modern Information Retrieval (IR) methods in conjunction with in-house automatic speech...
AT&T at TREC-7 SDR Track (2007)
Amit Singhal, John Choi, Donald Hindle, Julia Hirschberg, O Pereira, Steve Whittaker
AT&T participated in the Spoken Document Retrieval (SDR) track of TREC-7. Our speech retrieval system uses modern Information Retrieval (IR) methods in conjunction with in-house automatic speech...
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Bibliography Published Papers by Dragomir R. Radev References (2007)
Dragomir R. Radev, Alfred Aho, Shih-fu Chang, Kathleen Mckeown, Dragomir Radev, Bruce Croft, ...
[5] Suresh Bhavnani, Karen Drabenstott, and Dragomir Radev. Towards a unified framework of IR tasks and strategies. In 2001 ASIST Annual
A Bayesian network-based framework for semantic image understanding (2005)
Lou, Jiebo, Savakis, Andreas, Singhal, Amit
Current research in content-based semantic image understanding is largely confined to exemplar-based approaches built on low-level feature extraction and classification. The ability to extract both...
Efficient mobile imaging using emphasis image selection (2003)
Luo, Jiebo, Singhal, Amit, Savakis, Andreas
"Efficient mobile imaging using emphasis image selection," PICS 2003: The PICS Conference, An International Technical Conference on The Science and Systems of Digital Photography, including the Fifth...
Jiebo Luo, David Crandall, Amit Singhal, Matthew Boutell, Robert T. Gray
Abstract—The experiment reported here investigates the perception of orientation of color photographic images. A collection of 1000 images (mix of professional photos and consumer snapshots) was...
Terabit Switching: A Survey of Techniques and Current Products (2002)
This survey paper explains the issues in designing terabit routers and the solutions for them. The discussion includes multi-layer switching, route caching, label switching, and efficient routing...
Terabit Switching: A Survey of Techniques and Current Products (2002)
This survey paper explains the issues in designing terabit routers and the solutions for them. The discussion includes multi-layer switching, route caching, label switching, and efficient routing...
A Case Study in Web Search using TREC Algorithms (2001)
Singhal, Amit, Kaszkiel, Marcin
Web search engines rank potentially relevant pages/sites for a user query. Ranking documents for user queries has also been at the heart of the Text REtrieval Conference (TREC in short) under the...
Modern information retrieval: a brief overview (2001)
For thousands of years people have realized the importance of archiving and finding information. With the advent of computers, it became possible to store large amounts of information; and finding...
Modern information retrieval: a brief overview (2001)
For thousands of years people have realized the importance of archiving and finding information. With the advent of computers, it became possible to store large amounts of information; and finding...
Modern information retrieval: a brief overview (2001)
For thousands of years people have realized the importance of archiving and finding information. With the advent of computers, it became possible to store large amounts of information; and finding...
Modern information retrieval: a brief overview (2001)
For thousands of years people have realized the importance of archiving and finding information. With the advent of computers, it became possible to store large amounts of information; and finding...
On the application of Bayes networks to semantic understanding of consumer photographs (2000)
Luo, Jiebo, Savakis, Andreas, Etz, Stephen, Singhal, Amit
"On the application of Bayes networks to semantic understanding of consumer photographs," Proceedings of the 2000 International Conference on Image Processing, vol. 3. The Institute of Electrical and...
This year we come to TREC with a new retrieval system Tivra that we have implemented over the last year. Tivra is based on the vector space model, and is mainly designed to do large-scale web search...
Steven Abney, Michael Collins, Amit Singhal
Information retrieval systems have typically concentrated on retrieving a set of documents which are relevant to a user’s query. This paper describes a system that attempts to retrieve a much...
Steven Abney, Michael Collins, Amit Singhal
Information retrieval systems have typically concen-trated on retrieving a set of documents which are rel-evant to a user's query. This paper describes a sys-tem that attempts to retrieve a much...
This year we come to TREC with a new retrieval system Tivra that we have implemented over the last year. Tivra is based on the vector space model, and is mainly designed to do large-scale web search...
Amit Singhal, Steve Abney, Michiel Bacchiani, Michael Collins, Donald Hindle, O Pereira
In 1999, AT&T participated in the ad-hoc task and the Question Answering (QA), Spoken Document Retrieval (SDR), and Web tracks. Most of our effort for TREC-8 focused on the QA and SDR tracks....
Boosting for Document Routing (2000)
Raj Iyer, David Lewis, Robert E. Schapire, Yoram Singer, Amit Singhal
RankBoost is a recently proposed algorithm for learning ranking functions. It is simple to implement and has strong justifications from computational learning theory. We describe the algorithm and...
Steven Abney, Michael Collins, Amit Singhal
Information retrieval systems have typically concentrated on retrieving a set of documents which are relevant to a user's query. This paper describes a system that attempts to retrieve a much...
Amit Singhal, Steve Abney, Michiel Bacchiani, Michael Collins, Donald Hindle, O Pereira
In 1999, AT&T participated in the ad-hoc task and the Question Answering (QA), Spoken Document Retrieval (SDR), and Web tracks. Most of our e ort for TREC-8 focused on the QA and SDR tracks....
Finding information in audio: A new paradigm for audio browsing/retrieval (1999)
Julia Hirschberg, Steve Whittaker, Don Hindle, O Pereira, Amit Singhal
Information retrieval from audio data is sharply different from information retrieval from text, not simply because speech recognition errors affect retrieval effectiveness, but more fundamentally...
Spoken content-based audio navigation (SCAN (1999)
John Choi, Donald Hindle, Julia Hirschberg, O Pereira, Amit Singhal, Steve Whittaker
We describe SCAN, a system for retrieving and browsing speech documents from large audio corpora that uses new information retrieval and speech processing techniques to create easily navigable...
Amit Singhal, John Choi, Donald Hindle, David D. Lewis, Fernando Pereira
This year AT&T participated in the ad-hoc task and the Filtering, SDR, and VLC tracks. Most of our effort for TREC-7 was concentrated on SDR and VLC tracks. On the filtering track, we tested a...
Spoken content-based audio navigation (SCAN (1999)
John Choi, Donald Hindle, Julia Hirschberg, O Pereira, Amit Singhal, Steve Whittaker
We describe SCAN, a system for retrieving and browsing speech documents from large audio corpora that uses new information retrieval and speech processing techniques to create easily navigable...
Finding Information In Audio: A New Paradigm For Audio Browsing And Retrieval (1999)
Julia Hirschberg, Steve Whittaker, Don Hindle, Fernando Pereira, O Pereira, Amit Singhal
Information retrieval from audio data is sharply different from information retrieval from text, not simply because speech recognition errors affect retrieval effectiveness, but more fundamentally...
SCAN: Designing and evaluating user interfaces to support retrieval from speech archives (1999)
Steve Whittaker Julia, Julia Hirschberg, John Choi, Don Hindle, O Pereira, Amit Singhal
Previous examinations of search in textual archives have assumed that users first retrieve a ranked set of documents relevant to their query, and then visually scan through these documents, to...
Document Expansion for Speech Retrieval (1999)
Amit Singhal, Fernando Pereira
Advances in automatic speech recognition allow us to search large speech collections using traditional information retrieval methods. The problem of "aboutness" for documents --- is a...
Finding Information In Audio: A New Paradigm For Audio Browsing And Retrieval (1999)
Julia Hirschberg Steve, Steve Whittaker, Don Hindle, O Pereira, Amit Singhal
Information retrieval from audio data is sharply different from information retrieval from text, not simply because speech recognition errors affect retrieval effectiveness, but more fundamentally...
SCAN: Designing and evaluating user interfaces to support retrieval from speech archives (1999)
Steve Whittaker, Julia Hirschberg, John Choi, Don Hindle, Fernando Pereira, O Pereira, ...
Previous examinations of search in textual archives have assumed that users first retrieve a ranked set of documents relevant to their query, and then visually scan through these documents, to...
Document Expansion for Speech Retrieval (1999)
Amit Singhal, Fernando Pereira
Advances in automatic speech recognition allow us to search large speech collections using traditional information retrieval methods. The problem of "aboutness" for documents --- is a...
Amit Singhal, John Choi, Donald Hindle, David D. Lewis, Fernando Pereira
This year AT&T participated in the ad-hoc task and the Filtering, SDR, and VLC tracks. Most of our effort for TREC-7 was concentrated on SDR and VLC tracks. On the filtering track, we tested a...
Finding information in audio: A new paradigm for audio browsing/retrieval (1999)
Julia Hirschberg, Steve Whittaker, Don Hindle, O Pereira, Amit Singhal
Information retrieval from audio data is sharply different from information retrieval from text, not simply because speech recognition errors affect retrieval effectiveness, but more fundamentally...
Amit Singhal, John Choi, Donald Hindle, David D. Lewis, Fernando Pereira
This year AT&T participated in the ad-hoc task and the Filtering, SDR, and VLC tracks. Most of our e ort for TREC-7 was concentrated on SDR and VLC tracks. On the ltering track, we tested a...
Boosting and Rocchio Applied to Text Filtering (1998)
Robert E. Schapire, Yoram Singer, Amit Singhal
We discuss two learning algorithms for text filtering: modified Rocchio and a boosting algorithm called AdaBoost. We show how both algorithms can be adapted to maximize any general utility matrix...
SCAN - speech content based audio navigator: a systems overview (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
SCAN (Speech Content based Audio Navigator) is a spoken document retrieval system integrating speaker-independent, large-vocabulary speech recognition with information-retrieval to support...
An overview of the AT&T spoken document retrieval (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
We present an overview of a spoken document retrieval system developed at AT&T Labs-Research for the HUB4 Broadcast News corpus. This overview includes a description of the intonational phrase...
SCAN - speech content based audio navigator: a systems overview (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
SCAN (Speech Content based Audio Navigator) is a spoken document retrieval system integrating speaker-independent, large-vocabulary speech recognition with information-retrieval to support...
An overview of the AT&T spoken document retrieval (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
We present an overview of a spoken document retrieval system developed at AT&T Labs-Research for the HUB4 Broadcast News corpus. This overview includes a description of the intonational phrase...
An overview of the AT&T spoken document retrieval (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
We present an overview of a spoken document retrieval system developed at AT&T Labs-Research for the HUB4 Broadcast News corpus. This overview includes a description of the intonational phrase...
Boosting and Rocchio Applied to Text Filtering (1998)
Robert Schapire, Yoram Singer, Amit Singhal
We discuss two learning algorithms for text filtering: modified Rocchio and a boosting algorithm called AdaBoost. We show how both algorithms can be adapted to maximize any general utility matrix...
Boosting and Rocchio Applied to Text Filtering (1998)
Robert Schapire, Yoram Singer, Amit Singhal
We discuss two learning algorithms for text filtering: modified Rocchio and a boosting algorithm called AdaBoost. We show how both algorithms can be adapted to maximize any general utility matrix...
SCAN - Speech Content Based Audio Navigator: A Systems Overview (1998)
John Choi Don, John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, ...
SCAN (Speech Content based Audio Navigator) is a spoken document retrieval system integrating speaker-independent, large-vocabulary speech recognition with information-retrieval to support...
An Overview Of The Att Spoken Document Retrieval (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, Fernando Pereira, ...
We present an overview of a spoken document retrieval system developed at AT&T Labs-Research for the HUB4 Broadcast News corpus. This overview includes a description of the intonational phrase...
An Overview Of The Att Spoken Document Retrieval (1998)
John Choi Don, John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, ...
We present an overview of a spoken document retrieval system developed at AT&T Labs-Research for the HUB4 Broadcast News corpus. This overview includes a description of the intonational phrase...
SCAN - Speech Content Based Audio Navigator: A Systems Overview (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, Fernando Pereira, ...
SCAN (Speech Content based Audio Navigator) is a spoken document retrieval system integrating speaker-independent, large-vocabulary speech recognition with information-retrieval to support...
TREC-6 is AT&T's first independent TREC participation. We are participating in the main tasks (adhoc, routing), the filtering track, the VLC track, and the SDR track 1 This year, in the main...
Boosting and Rocchio Applied to Text Filtering (1998)
Robert Schapire, Yoram Singer, Amit Singhal
We discuss two learning algorithms for text filtering: modified Rocchio and a boosting algorithm called AdaBoost. We show how both algorithms can be adapted to maximize any general utility matrix...
SCAN - speech content based audio navigator: a systems overview (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
SCAN (Speech Content based Audio Navigator) is a spoken document retrieval system integrating speaker-independent, large-vocabulary speech recognition with information-retrieval to support...
An overview of the AT&T spoken document retrieval (1998)
John Choi, Don Hindle, Julia Hirschberg, Ivan Magrin-chagnolleau, Christine Nakatani, O Pereira, ...
We present an overview of a spoken document retrieval system developed at AT&T Labs-Research for the HUB4 Broadcast News corpus. This overview includes a description of the intonational phrase...
Bayliss, Jessica D., Brown, Christopher M., Carceroni, Rodrigo L., Eveland, Christopher K., Harman, Craig, Singhal, Amit, ...
After abandoning an attempt to build our own gasoline-powered automated outdoor vehicle in 1995, we purchased two M68332-controlled wheelchairs for indoor and outdoor mobile robotics research. Much...
Automatic Text Summarization by Paragraph Extraction (1997)
Mandar Mitra, Amit Singhal, Chris Buckley
The decision this week by U.S. District Judge John E. Jones III declaring unconstitutional the Dover, Pa., school board's advocacy of ``intelligent design'' is not binding on any other...
An Analysis of Statistical and Syntactic Phrases (1997)
Mandar Mitra, Chris Buckley, Amit Singhal, Claire Cardie
As the amount of textual information available through the World Wide Web grows, there is a growing need for high-precision IR systems that enable a user to find useful information from the masses of...
Learning Routing Queries in a Query Zone (1997)
Amit Singhal, Mandar Mitra, Chris Buckley
Word usage is domain dependent. A common word in one domain can be quite infrequent in another. In this study we exploit this property of word usage to improve document routing. We show that routing...
ATT at TREC-6: SDR Track (1997)
Amit Singhal, John Choi, Donald Hindle, O Pereira
In the spoken document retrieval track, we study how higher word-recall---recognizing many of the spoken words---affects the retrieval effectiveness for speech documents, given that high word-recall...
ATT at TREC-7 SDR Track (1997)
Amit Singhal, John Choi, Donald Hindle, Julia Hirschberg, O Pereira, Steve Whittaker
AT&T participated in the Spoken Document Retrieval (SDR) track of TREC-7. Our speech retrieval system uses modern Information Retrieval (IR) methods in conjunction with in-house automatic speech...
Issues in Autonomous Mobile Robot Navigation (1997)
Three main problems facing outdoor autonomous mobile robot navigation are unstructured environments, moving obstacles, and multiple sensors. Each of these leads to uncertainties that usually cannot...
Dynamic Bayes Net Approach to Multimodal Sensor Fusion (1997)
Autonomous mobile robots rely on multiple sensors to perform a varied number of tasks in a given environment. Different tasks may need different sensors to estimate different subsets of world state....
Jessica Bayliss, Chris Brown, Rodrigo Carceroni, Christopher Evel, Craig Harman, Amit Singhal, ...
After abandoning an attempt to build our own gasoline-powered automated outdoor vehicle in 1995, we purchased two M68332-controlled wheelchairs for indoor and outdoor mobile robotics research. Much...
Pivoted Document Length Normalization (1996)
Amit Singhal, Chris Buckley, Mandar Mitra, Ar Mitra
Automatic information retrieval systems have to deal with documents of varying lengths in a text collection. Document length normalization is used to fairly retrieve documents of all lengths. In this...
Real Time Systems: A Survey (1996)
What are real-time systems? Instead of trying to define them, we can think of real time systems as those that react to external stimuli in a timely and reliable fashion. Real time systems are often...
Automatic Text Decomposition Using Text Segments and Text Themes (1995)
Salton, Gerard, Singhal, Amit, Buckley, Chris, Mitra, Mandar
With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...
Pivoted Document Length Normalization (1995)
Singhal, Amit, Buckley, Chris, Mitra, Mandar, Salton, Gerard
Document length normalization is an important aspect of term weight assignment in an automatic information retrieval system. In this study, we observe that a normalization scheme that retrieves...
Automatic Text Decomposition Using Text Segments and Text Themes (1995)
Salton, Gerard, Singhal, Amit, Buckley, Chris, Mitra, Mandar
With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...
Pivoted Document Length Normalization (1995)
Singhal, Amit, Buckley, Chris, Mitra, Mandar, Salton, Gerard
Document length normalization is an important aspect of term weight assignment in an automatic information retrieval system. In this study, we observe that a normalization scheme that retrieves...
Selective Text Traversal (1995)
In information retrieval and text processing, the size of the available databases and text collections has grown enormously in the past few years, and users find it difficult to cope with the amount...
Selective Text Traversal (1995)
In information retrieval and text processing, the size of the available databases and text collections has grown enormously in the past few years, and users find it difficult to cope with the amount...
Document Length Normalization (1995)
Singhal, Amit, Salton, Gerard, Mitra, Mandar, Buckley, Chris
In the TREC collection -- a large full-text experimental text collection with widely varying document lengths -- we observe that the likelihood of a document being judged relevant by a user increases...
Document Length Normalization (1995)
Singhal, Amit, Salton, Gerard, Mitra, Mandar, Buckley, Chris
In the TREC collection -- a large full-text experimental text collection with widely varying document lengths -- we observe that the likelihood of a document being judged relevant by a user increases...
Length Normalization in Degraded Text Collections (1995)
Singhal, Amit, Salton, Gerard, Buckley, Chris
Optical character recognition (OCR) is the most commonly used technique to convert printed material into electronic form. Using OCR, large repositories of machine readable text can be created in a...
Length Normalization in Degraded Text Collections (1995)
Singhal, Amit, Salton, Gerard, Buckley, Chris
Optical character recognition (OCR) is the most commonly used technique to convert printed material into electronic form. Using OCR, large repositories of machine readable text can be created in a...
Automatic Text Browsing Using Vector Space Model (1995)
Vast amounts of text are now available in machinereadable form and can be processed electronically. The vector space model of text processing has been widely used and has consistently produced...
Length Normalization in Degraded Text Collections (1995)
Amit Singhal, Gerard Salton, Chris Buckley
Optical character recognition (OCR) is the most commonly used technique to convert printed material into electronic form. Using OCR, large repositories of machine readable text can be created in a...
Automatic Text Theme Generation and the Analysis of Text Structure (1994)
Non-expository texts are not usually read from cover to cover. Readers are helped in such circumstances by providing selective access to text excerpts as needed. Text themes can be identified...
Automatic Text Theme Generation and the Analysis of Text Structure (1994)
Non-expository texts are not usually read from cover to cover. Readers are helped in such circumstances by providing selective access to text excerpts as needed. Text themes can be identified...
Includes abstract.
Singhal, Amit, Jaiswal, Anand, Arora, Virendra K., Prasad, Hanumanthappa K.
Mycobacterium tuberculosis inhibits gamma interferon (IFN-γ)-mediated antimycobacterial action by adopting diverse mechanisms. IFN-γ binds to its receptor, IFN-γR, in order to initiate proper...
Automatic Text Decomposition Using Text Segments and Text Themes
Gerard Salton, Amit Singhal, Chris Buckley, Ar Mitra
With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...
Improving Automatic Query Expansion
Mandar Mitra, Amit Singhal, Chris Buckley
Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via blind feedback, without any input from the user, improves the performance of...
Automatic Text Decomposition Using Text Segments and Text Themes
Gerard Salton, Amit Singhal, Chris Buckley, Mandar Mitra, Ar Mitra
With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...
Mathys, Vanessa, Wintjens, René, Lefevre, Philippe, Bertout, Julie, Singhal, Amit, Kiass, Mehdi, ...
The emergence of Mycobacterium tuberculosis resistant to first-line antibiotics has renewed interest in second-line antitubercular agents. Here, we aimed to extend our understanding of the mechanisms...
Airway bleed after percutaneous tracheostomy is not always procedure-related
Patil, Vijaya P., Singhal, Amit, Pramesh, C. S.
Tracheotomies are the most frequent surgical procedures performed in the intensive care unit. We present a case of major hemorrhage that occurred in the intensive care unit during an elective...